Prof. Pankaj Das

Professor, Department of Chemistry
  • Phone No. - 9435394373
  • Department of Chemistry
  • Designation - Professor

Profile

EDUCATION:

PhD (Chemistry):                       CSIR- NEIST, Jorhat, Assam (2002) (Under Dibrugarh University)

POSTODOCTORAL:                  University of Brest, France, one year (2002 – 2003)

University of Porto, Portugal, two year (2003 – 2005)

 Teaching / ADMINISTRATion

  • Professor, Dept. of Chemistry, Dibrugarh University (10.07.2014-till date)
  • Professor & Head, Department of Chemistry, Dibrugarh University (16.07.2015- 30.06.2018)
  • Professor & Head, Department of Chemistry, Rajiv Gandhi University (23.05.2014 – 09.07.2014)
  • Associate Prof & Head, Department of Chemistry Rajiv Gandhi University (01.10.2012–22.05.2014)
  • Associate Professor,Department of Chemistry Rajiv Gandhi University (30.07.2012–30,09.2012)
  • Assistant Professor, Dept. of Chemistry, Dibrugarh University (25.11.2005 – 29.07.2012)

OTHER RESPONSIBILITIES

  • Editor, Current Indian Science: Organometallic Chemistry (Bentham Science)  2021-2024
  • UGC-SAP-DRS Project Coordinator (Chemistry) 2016-2021

    ACADEMIC ACTIVITIES / RECOGNITIONS ABROAD

  • Visiting Scientist, Technical University of Vienna, 2018 (One month),
  • Visiting Scientist, Technical University of Vienna, 2015 (One month)
  • Visiting Scientist, University of Brest, France, 2008 (two months)
  • Visiting Scientist, L.V .P. Institute, Kiev, Ukraine Indo-Ukraine Prog 2008 (one week)
  • Visiting Scientist, Univ. of Fribourg, Switzerland Indo-Swiss Prog 2009 (two weeks)
  • Visiting Scientist, L.V. P. Institute, Kiev, Ukraine Indo-Ukraine Prog. 2009 (one week)

MEMBERS OF ACADEMIC committee:

  • Member of Academic Council, Dibrugarh University, 2014-present
  • Member of Academic Council, J. B. College (Autonomous), Jorhat 2018-present
  • Member College Develeopment Council, Dibrugarh University, 2022 onwards
  • Members of Undergraduate Board, Dibrugarh University 2022-present
  • Member of Board of Studies, Rajiv Gandhi Central University, Itanagar (2016-present)  
  • Member of Board of Studies, Dept. of Chemistry, NEHU, Shillong (2021-Present)
  • Member of Board of Studies, Dept. Chemistry, Arunachal University of Studies (2019-2021)
  • Member of Board of Studies, Dept. Chemistry, Assam University, Silchar (2021-present)

PROFESSIONAL MEMBERSHIPS:

  • Life Member:  Chemical Research Society of India (2013-present)
  • Past Member: American Chemical Society (2016-2017)

PUBLICATIONS:    

  • Paper Published:                     61 (Av. IF: 3.16)
  • Total citation:                           1458 (google scholar)
  • h-index:                                    22 (google scholar)
  • Patent filed / granted:               5

Publications

LIST OF PAPER PUBLISHED:       

  1. K. Bordoloi, G. D. Kalita, P. Das, Acceptorless Dehydrogenation of Alcohols to Carboxylic Acids by Palladium Nanoparticles Supported on NiO: Delving into Metal-Support Cooperation in Catalysis, Dalton Transaction, 2022, 51, 9922-9934; IF: 4.39
  2.  A. Puzari, D. Borah, P. Das, Binuclear Pd(II) complexes with multidentate Schiff base ligands: Synthesis, catalysis and antibacterial properties, Monatshefte für Chemie - Chemical Monthly, 2022, 153:435–442; IF: 1.629
  3. G. D. Kalita,  P. P. Sarmah, G.Kalita, P. Das, Bimetallic Au–Pd nanoparticles supported on silica with a tunable [email protected] structure: enhancedcatalytic activity of Pd(core)–Au(shell) over Au(core)–Pd(shell), Nanoscale Advances2021, 3, 5399. IF: 4.55
  4. G. D. Kalita, M. R. Das, P. DasFabrication of magnetically separable ruthenium nanoparticles decorated on channelled silica microspheres: Efficient catalysts for chemoselective hydrogenation of nitroarenesDalton Transaction202150, 13483-13496. IF: 4.39
  5.   D Borah, A. Puzari, P. DasHighly efficient aqueous-phase Sonogashira coupling catalyzedby Pd-PEEPSI/PPh3 under aerobic conditionJ. Chem. Sci.2021, 133:103, IF: 1.573
  6.   A. Puzari, A. Gogoi, P. Das, An unsymmetrical Schiff-base derived recyclable Pd-catalyst for Suzuki–Miyaura and Sonogashira reactions in aqueous mediaJ. Chem. Sci. 2021,  133, 56; IF: 1.573
  7. M. Borah, N. Saikia, P. Das,  A combined computational and experimental study of Fe(II) complexes with hemilabile phosphine-based P,O donor ligandsJ. Molecular Structure2021, 1230, 129661; IF: 3.196
  8. D. Borah, B. Saha, B. Sarma, P. Das, A cyclometalated Ir(III)–NHC complex as a recyclable catalyst for acceptorless dehydrogenation of alcohols to carboxylic acidsDalton Transactions2020, 49, 16866-16876; IF: 4.39
  9. M. Hazarika, G. D. Kalita, S. Pramanik, D. Borah, P. Das, Bio-functionalized anisotropic gold nanoparticles as efficient catalyst for nitrile hydration and hydrogenation of nitrophenol, Current Res. Green Sustain. Chem., 2020, 3, 100018.
  10. M. Suri,  F. Liaquat Hussain,  C. Gogoi,   P. Das,  P. Pahari, Magnetically recoverable silica catalysed solvent-free domino Knoevenagel-hetero-Diels–Alder reaction to access divergent chromenones,  Org. Biomol. Chem., 2020,18, 2058-2062; IF: 3.876
  11. D. Borah, B. Saha, B. Sarma, P. Das. A new PEPPSI type N-heterocyclic carbene palladium(II) complex and its efficiency as a catalyst for Mizoroki-Heck cross-coupling reactions in waterJ. Chem. Sc., 2020, 132, 51; IF: 1.573
  12. G. D. Kalita, P. P. Sarmah, P. K. Saikia, L. Saikia, P. Das, Selective hydrogenation of nitroarenes to amines by ligand assisted Pd nanoparticles: Influence of donor ligands on catalytic activity, New J. Chem. 2019 43, 4253 – 4260; IF: 3.591
  13. B. Banik, P. P. Sarmah, A. Dutta, P. Mondal, P. Das, A new water-soluble Rh(III)-salophen complex as efficient catalyst for alcohol oxidation in aqueous mediumInd. J. Chem. Sec.A, 2019, 58A, 29-35. IF: 0.491
  14. S. Pramanik, P. Das, Metal-Based Nanomaterials and their polymer nanocomposites (Chapter 3), in Nanomaterials and Polymer nanocomposite, Elsevier, 2018, 91-121.
  15. A. Puzari, N. Shahnaz, P. Das,Palladium complexes with two unsymmetrical Schiff base ligands: Highly active catalyst for activation of chloroarenes in Suzuki-Miyaura reaction, J. Indian Chem. Soc. 2018, 95,837-842. IF: 0.284
  16. D. Borah, M. Hazarika, P. Tailor, A. R. Silva, B. Chetia, G. Singaravelu, P. Das, Starch-templated bio-synthesis of gold nanoflowers for in vitro antimicrobial and anticancer activitiesApplied Nanoscience, 2018, 8(3), 241-253. IF: 3.674
  17. M. Hazarika, D. Borah, P. Bora, A. R. Silva, P. Das, Biogenic synthesis of palladium nanoparticles and their applications as catalyst and antimicrobial agentPLOS ONE 2017, 12(9): e0184936.; IF: 3.24
  18. S. Kolita, L. Dutta, P. Das, P. J. Bhuyan, One-Pot Synthesis of Unsymmetrical Bis(4-Hydroxycoumarin-3-yl)methanes, Synlett, 2017, 28(17), 2291-2294; IF: 2.369
  19. S. Pramanik, M. Das, D. Das, P. Das, Sustainable Redox Chemistry Route to Multifaceted Fe-Pd Heteronanostructure: Delving into the Synergistic Influence in CatalysisChemistry Select , 2017, 2(16) 4577-4585. IF: 2.109
  20. P. Das,   B. Chetia, R. Prasanth, J. Madhavan, G. Singaravelu,G. Benelli, K. Murugan, Green nanosynthesis and functionalization of gold nanoparticles as PTP 1B inhibitorsJ. Cluster Science, 2017, 28, 2269-2277; IF: 3.061
  21. D. Sahu, A. R. Silva, P. Das, Facile synthesis of palladium nanoparticles supported on silica: An efficient phosphine-freeheterogeneous catalyst for Suzuki coupling in aqueous mediaCatalysis Communications, 2016, 86, 32-35.IF: 4.146
  22.  N. Shahnaz, A. Puzari, B. Paul, P. Das, Activation of aryl chlorides in water for Suzuki coupling with a hydrophilic salen-Pd(II) catalystCatalysis Communications, 2016, 86, 55-58; IF: 4.146
  23. P. Das, W. Linert, Schiff base-derived homogeneous and heterogeneous palladium catalysts for the Suzuki-Miyaura reactionCoord. Chem. Rev. 2016, 1-23; IF: 22.06.
  24. B. Banik, A. Tairai,  P. K. Bhattacharyya, P. Das,  Excellent Suzuki–Miyauracatalytic activity of a new Pd(II) complex with sulfonamide–Schiff base ligand, Appl. Organomet. Chem. 2016, 30, 519-52;  IF: 4.105
  25. P. Sharma, D. J. Borah, P. Das, M. R. Das, Cationic and anionic dye removal from aqueous solution using montmorillonite clay: evaluation of adsorption parameters and mechanismDesalination and water treatment, 2016, 57(18) 8372-838; IF: 1.254.
  26. D. Sahu, A. R. Silva, P. Das, A novel Fe(III)-based heterogeneous catalyst for aqueous oxidation of alcohols using molecular oxygen, RSC Advances, 2015, 78553-78560. IF: 3.36
  27. N. Shahzaz, P. Das, Palladium complex containing two sterically hindered ligands as highly efficient catalyst for Suzuki-Miyaura reactionAppl. Organomet. Chem. 2015, 829-833;  IF: 4.105
  28.    D. Sahu, P. Das, Phosphine-stabilized Pd nanoparticles supported on silica as highly active catalyst for Suzuki-Miyaura cross-coupling reactions of aryl chlorides, RSC Advances, 2015, 5, 3512-3520); IF: 3.36.
  29. D. Sahu, C. Sarmah, P. Das, A highly efficient and recyclable silica-supported palladium catalysts for alcohol oxidation reactionTetrehedron Letter, 2014, 55, 3422-3425; IF: 2.415.
  30. D. Sahu, B. Banik, M. Borah, P. Das, Efficient Alcohol Oxidation Reaction Catalyzed by a Cobalt(II) and an Iron(III) complexes containing DPEPhos LigandLetters in Org. Chem, 2014, 11, 671-676; IF: 0.867
  31. S. N. Orlyk, P. Das, L. M. Alekseenko, A, Y. Kapran, Activity of rhodium and palladium catalysts immobilized on functionalized silica in the decomposition and carbonylation of methanolTheoretical and Experimental Chemistry, 49, 2013, C 236-241.IF: 1.39
  32. C. Sarmah, D. Sahu, P. Das , An effective strategy for immobilizing a homogeneous palladium complex onto silica: Efficient and reusable catalyst for Suzuki-Miyaura reactionsCatal. Commun. 2013 ,41, 75-78; IF: 4.146
  33.  N. Shahnaz, B. Banik, P. Das, A highly efficient Schiff-base derived palladium catalyst for the Suzuki-Miyaura reactions of aryl chloridesTetrahedron Letter, 54, 2013,2886-2889; IF: 2.415
  34. B. Banik, A. Tairai, N. Shahnaz, P. Das, Palladium(II) complex with a potential N4-type Schiffbase ligand as highly efficient catalyst for Suzuki-Miyaura reactions in aqueous medi, Tetrahedron Letter, 2012, 53, 5627–5630; IF: 2.415
  35. C. Sarmah, D. Sahu, P. Das, Anchoring palladium acetate onto imine-functionalized silica gel through coordinative attachment: An effective recyclable catalyst for the Suzuki-Miyaura reaction in aqueous-isopropanol, Catal. Today, 198, 2012, 197; IF: 6.766
  36. M. Borah, P. K.. Bhattacharyya, P. Das, Iron carbonyl complex containing bis[2- (diphenylphosphino)phenyl]ether enhancing efficiency in the palladium-catalyzed Suzuki-Miyaura reaction, Appl. Organomet. Chem.2012, 26, 130-134; IF: 4.105
  37. A. Tairai, C. Sarmah, P. Das, A highly efficient catalytic system for microwave-assisted Suzuki– Miyaura reactions as well as room temperature homocoupling reactions of arylboronic acids in aqueous media, Ind. J. Chem. Sec. B, 2012, 51B, 843-848; IF: 0.44
  38. A. Tairai, C. Sarmah, P. K.. Bhattacharyya, P. Das, Primary amine-based palladium(II) complexes as catalysts for Suzuki-Miyaura reaction: Experimental and theoretical investigations on the effects of substituents on nitrogen atom, Indian J. Chem. Sec. A, 51A, 2012, 1545-1552; IF: 0.491
  39. A. Tairai, C. Sarmah, N. Shahnaz, P. Das, Diphenyl-2-pyridylphosphine based palladium catalysts for the Suzuki-Miyaura reactions in environment friendly solvents, Lett. Org. Chem.9, 2012, 509 -515; IF: 0.867
  40. P. Das, M. Borah, F. Michaud, F. Petillon, P. Schollhammer, Phosphorus-carbon (P-CPy) bond cleavage on reacting the diphenyl-2-pyridylphosphine with triiron- dodecacarbonyl, Inorg. Chim. Acta 2011, 376, 641; IF: 2.545
  41. C. Sarmah, M. Borah, P. Das, Iron(0), Rhodium(I) and Palladium(II) complexes with p-(N,Ndimethylaminophenyl) diphenylphosphine and the application of the palladium complex as catalyst for Suzuki-Miyaura cross-coupling reaction, Applied Organometallic Chemistry, 25, 2011, 552-558; IF: 4.105
  42. P. Das, C. Sarmah, A. Tairai, U. Bora, Highly efficient amine-based catalytic system for room temperature Suzuki-Miyaura reactions of aryl halides with arylboronic acids, Applied Organometallic Chemistry, 25, 2011, 283-288; IF: 4.105
  43. P. Das, M. Borah, C.Sarmah, P. K. Gogoi, L. M. Alekseenko and S. M. Orlyk, Synthesis of a rhodium(I) carbonyl complex with a chiral aminodiphosphine ligand and its immobilization onto amino-propylfunctionalized silica gel, J. Coord. Chem., 63,7, 2010, 1107-1117; IF: 1.751
  44. P. Das, U. Bora, A. Tairai, C. Sharma , Triphenylphosphine chalcogen-ides as efficient ligands for room temperature palladium(II) cataly-zed Suzuki-Miyaura reaction, Tetrahedron. Letter 51, 2010, 1479-1482; IF: 2.415
  45. P. Das, P. P. Sarmah, M. Borah and A. K. Phukan, Low-spin, mononuclear, Fe(III) complexes with P,N donor hemilabile ligands: A combined experimental and theoretical study, Inorganica Chimica Acta, 362, 2009, 5001-5011; IF: 2.545
  46. P. Das, A. R. Silva, A. Carvalho, J. Pires, C. Freire, Organo-functionalized mesoporous supports for Jacobsen-type catalyst: Laponite versus MCM-4, J. Material Science, 44, 11, 2009, 2865- 2875; IF: 4.22
  47. P. Das, A. R. Silva, A. Carvalho, J. Pires, C. Freire, Chiral Mn(III) salen complex, Enantioselective epoxidation, covalent anchoring, Laponite, MCM-41, FSM-16, Catalysis Letter 129, 2009, 367-375; IF: 3.186
  48. P.Das, A. R. Silva, A. P. Carvalho, J. Pires, and C. Freire,Post-Synthesis organo-sylanation of mesostructured FSM-16 for chiral Mn(III) salen catalyst anchoring, Colloids and Surfaces A: A Physicochem. Eng. Aspects, 329, 3, 2008, 190-197; IF: 4.539
  49. P. Das, J. Baruah and P. Tamuli, Synthesis, spectroscopic, thermogravi-metric and electrochemical characteri-sation of triphenylphosphine-oxide complexes of the type [MClx(Ph3PO)6-x] [M = Cu(II), Co(II), x = 2; M = Fe(III), x = 3], Asian J Chemistry 20, 8, 2008, 5958-5966; IF: 0.535
  50. P. Das, I. K.Biernacka, A. R. Silva, A. P. Carvalho, J. Pires, and C. Freire, Chiral Mn(III) Salen Complexes Encapsulated into Aluminium Pillared Clay and their Activity as Catalyst for Epoxidation of Styrene, J. Mol Catal: Chemical ,248, 2006, 135-143; IF: 5.062
  51. P. Das, J.F. Capon, F. Gloaguen, F. Y. Pétillon, P. Schollhammer, J. Talarmin and K. W. Muir,Diiron aza diphosphido complexes: mimics for the active site of Fe-only hydrogenase, and effects of changing the coordinating atoms of the bridging ligand in [Fe2{μ-(ECH2)2NR}(CO)6], Inorganic Chemistry 43 (26), 2004, 8203-8205; IF: 5.165
  52. D. K. Dutta, J. D. Woollins, A. M. Z. Slawin, D. Konwar, P. Das, M. Sharma, P. Bhattacharyya and S. M. Aucott, An alternative strategy to an electron rich phosphine based carbonylation catalyst, Dalton Transaction, 13, 2003, 2674 – 2679; IF: 4.39
  53. P. Chutia, M. Sharma, P. Das, N. Kumari,J. D. Woollins, A. M. Z. Slawin, and D. K. Dutta, Carbonyl complexes of ruthenium(II) with unsymmetrical phosphine-phosphine-sulfide ligands of the type Ph2P(CH2)nP(S)Ph2, n = 1 - 4. Polyhedron, 2003, 22 (19) 2725-2730; IF: 3.052
  54. P. Das, M. Borauh, N. Kumari, M. Sharma, D. Konwar and D. K. Dutta, Rhodium Nitrone Complexes: Efficient Catalysts for Carbonylation of Methanol, J. Molecular Catalysis A: Chemical, 2002, 178, 283-287; IF: 5.062
  55. P. Das, M. Sharma, N. Kumari, D. Konwar and D. K. Dutta, Synthesis and Characterization of Ruthenium(II) Complexes of different types of Potential Hemilabile P-O and P-S Donors Ligands, Ind. J.  Chem. Sec A: 2002,  41A, 560-562; IF: 0.491
  56. N. Kumari, M. Sharma, P. Das and D. K. Dutta, Carbonylrhodium Complexes of Pyridine Ligands and their Catalytic Activity towards Carbonylation of Methanol. Applied Organometallic Chemistry 2002, 16 (5), 258 -264; IF: 4.105
  57. P. Das, P. Chutia, D. K. Dutta, Efficient Carbonylation of Methanol Catalyzed by Rhodium(I) Complexes containing Cyclooctadiene and Triphenylphosphinechalcogenide, Chemistry Letter 7, 766-767, 2002. IF: 1.389
  58. M. Sharma, N. Kumari, P. Das, P. Chutia and D. K. Dutta, Catalytic activity of dicarbonyl-rhodium complexes of amino benzoic acid ligands for carbonylation of methanol., J. Molecular Catalysis A: Chemical 2002, 188, 25-35; IF: 5.062
  59. P. Das, D. Konwar, M. Sharma, N. Kumari and D. K. Dutta, Synthesis and Reactivity of Rhodium(I) Carbonyl Complexes of Ether-phosphine Ligands and their Catalytic Activity, Applied Organometallic Chemistry 16, 302-306,2002. IF: 4.105
  60. P. Das, D. Konwar and D. K. Dutta, Rhodium Complexes of Diphenylphosphine(ethylthio) ethane, Indian Journal of Chemistry, Sec A: 2001, 40A, 626-629. IF: 0.491
  61. P. Das, D. Konwar, P. Sengupta and D.K. Dutta, Rhodium (I) Carbonyl Complexes of Triphenylphosphine chalcogenides and their Catalytic Activity. Transition Metal Chemistry: 2000, 25:426-429; IF: 1.588.

 INDIAN PATENTS:

  1. A Process for Selective Hydrogenation of p-chloronitrobenzene to p-chloroaniline by silica-supported recyclable palladium catalysts, Appl. No. 201731044583, published on 14-06-2019, filled 12-12-2017; Inventor: P. Das, P. P. Sarmah, G. D. Kalita.
  2. An Improved Process for Carbonylation of Methanol using Novel Rhodium Metal Complexes as Catalyst, Application 474/DEL/2002 published 2007-04-27, filed 2002-04-22, Inventor: D. K. Dutta, M. Sharma, P. Das, N. Kumari, M. Baruah, D. Konwar, No of Pages : 20, No of Claims : 6; Classification: C07C 51/0
  3. An Improved Process for Producing Carboxylic Acid and its Ester using Electron rich Rhodium Phosphine Based Carbonyl Complexes as Catalysts, Application 219/DEL/2003 published 2007-05-04, filed 2003-03-05, Inventor:D. K. Dutta, J. D. Woollins, A. M. Z. Slawin, D. Konwar, P. Das, M. Sharma, P. Bhattacharyya, S. M. Aucott, No of Pages : 16 No of Claims : 6 , International Info Classification: C07C 051/235
  4. A Process for the Preparation of Electron Rich Rhodium Carbonyl Complexes Containing Phosphine Based Chelating Ligand, Application 211/DEL/2003 published 2007-08-17, filed 2003-03-05,Inventor: D. K. Dutta, J. D. Woollins, A.M.Z. Slawin, D. Konwar, P. Das, M. Sharma, P. Bhattacharyya, S. M. Aucott. International Info Classification: C01G 55/00.
  5. A Process for the Preparation of Novel Rhodium Carbonyl Complexes, Application 475/DEL/2002 published 2007-04-27, filed 2002-04-22 , Inventor: D. K. Dutta, M. Sharma, P. Das, N. Kumari, M. Baruah, D. Konwar, No of Pages : 14 No of Claims : 10, International Info Classification: C07F 15/00.

Courses Taken

Core 101: Inorganic Chemistry-I: Acid Base and Redox Chemistry

Core 201: Inorganic Chemistry-II: Inorganic Reaction mechanism

Core-301: Inorganic Chemistry-III: Iniroduction to Transition metal Organometallic Chemistry; Aookication of NMR spectroscopy in Inorganic Chemistry

Core-401: Inorganic Chemistry-IV; Inorganic reactions; Homogeneous and Heterogeneous Catalysis

Sponsored Projects

RESEARCH PROJECTS: ONGOING: 1; COMPLETED: 7; MINOR: 1  

    ON GOING PROJECT:    

  •     Designing PEPPSI-type palladium N-heterocyclic carbene complexes and their immobilization onto support for multifunctional catalysis, DST, New Delhi, Rs: 37.6 Lakhs (2019-2022)

 COMPLETED PROJECTS:

  • Homogeneous and Heterogeneous Catalysis, Departmental Grant UGC-SAP-DRS-I (Coordinator), Rs 1.49 crores
  • Design and Exploration of Hydrophilic Schiff-base ligands for palladium catalyzed organic reactions in Aqueous Media (2015-2018), DST, India, Rs 28.46 Lakhs
  • Biological Synthesis and Development of nano gold PTP1B inihibitors, (2015-2018),DBT,India under DBT Twinning programme (2015-2017); Rs 57.4 Lakhs
  • Designing palladium-based heterogeneous catalysts for cross-coupling as well as alcohol oxidation reactions, CSIR, New Delhi (2013-2016). Rs. 15.42 Lakhs
  • Structural and Functional Mimics of the active site of Fe-Only Hydrogenase; Department of Science and Technology (DST), New Delhi (2006-2009), Rs 16.00 Lakhs
  • Design of nano-phase and immobilized platinum metal based materials as novel catalysts for HC conversion processes, DST, India and Ministry of Education, Ukraine (2008-2011) under Indo-Ukraine bilateral research programme, Rs 6.84 Lakhs
  • Synthesis of bio-inspired Fe(II)/Fe(III) complexes with P,N donor hemilabile ligands (minor project), DST, India –EPFL, Switzerland under Indo-Swiss bilateral Research Programme (2009). Rs 0.52 Lakhs
  • Development of platinum group metal based heterogeneous catalysts through coordinative attachment between the support and the metal centre (2009-2012), University Grants Commission, New Delhi, Rs 8.32 Lakhs
Profile

Profile

EDUCATION:

PhD (Chemistry):                       CSIR- NEIST, Jorhat, Assam (2002) (Under Dibrugarh University)

POSTODOCTORAL:                  University of Brest, France, one year (2002 – 2003)

University of Porto, Portugal, two year (2003 – 2005)

 Teaching / ADMINISTRATion

  • Professor, Dept. of Chemistry, Dibrugarh University (10.07.2014-till date)
  • Professor & Head, Department of Chemistry, Dibrugarh University (16.07.2015- 30.06.2018)
  • Professor & Head, Department of Chemistry, Rajiv Gandhi University (23.05.2014 – 09.07.2014)
  • Associate Prof & Head, Department of Chemistry Rajiv Gandhi University (01.10.2012–22.05.2014)
  • Associate Professor,Department of Chemistry Rajiv Gandhi University (30.07.2012–30,09.2012)
  • Assistant Professor, Dept. of Chemistry, Dibrugarh University (25.11.2005 – 29.07.2012)

OTHER RESPONSIBILITIES

  • Editor, Current Indian Science: Organometallic Chemistry (Bentham Science)  2021-2024
  • UGC-SAP-DRS Project Coordinator (Chemistry) 2016-2021

    ACADEMIC ACTIVITIES / RECOGNITIONS ABROAD

  • Visiting Scientist, Technical University of Vienna, 2018 (One month),
  • Visiting Scientist, Technical University of Vienna, 2015 (One month)
  • Visiting Scientist, University of Brest, France, 2008 (two months)
  • Visiting Scientist, L.V .P. Institute, Kiev, Ukraine Indo-Ukraine Prog 2008 (one week)
  • Visiting Scientist, Univ. of Fribourg, Switzerland Indo-Swiss Prog 2009 (two weeks)
  • Visiting Scientist, L.V. P. Institute, Kiev, Ukraine Indo-Ukraine Prog. 2009 (one week)

MEMBERS OF ACADEMIC committee:

  • Member of Academic Council, Dibrugarh University, 2014-present
  • Member of Academic Council, J. B. College (Autonomous), Jorhat 2018-present
  • Member College Develeopment Council, Dibrugarh University, 2022 onwards
  • Members of Undergraduate Board, Dibrugarh University 2022-present
  • Member of Board of Studies, Rajiv Gandhi Central University, Itanagar (2016-present)  
  • Member of Board of Studies, Dept. of Chemistry, NEHU, Shillong (2021-Present)
  • Member of Board of Studies, Dept. Chemistry, Arunachal University of Studies (2019-2021)
  • Member of Board of Studies, Dept. Chemistry, Assam University, Silchar (2021-present)

PROFESSIONAL MEMBERSHIPS:

  • Life Member:  Chemical Research Society of India (2013-present)
  • Past Member: American Chemical Society (2016-2017)

PUBLICATIONS:    

  • Paper Published:                     61 (Av. IF: 3.16)
  • Total citation:                           1458 (google scholar)
  • h-index:                                    22 (google scholar)
  • Patent filed / granted:               5

Publications

Publications

 

LIST OF PAPER PUBLISHED:       

  1. K. Bordoloi, G. D. Kalita, P. Das, Acceptorless Dehydrogenation of Alcohols to Carboxylic Acids by Palladium Nanoparticles Supported on NiO: Delving into Metal-Support Cooperation in Catalysis, Dalton Transaction, 2022, 51, 9922-9934; IF: 4.39
  2.  A. Puzari, D. Borah, P. Das, Binuclear Pd(II) complexes with multidentate Schiff base ligands: Synthesis, catalysis and antibacterial properties, Monatshefte für Chemie - Chemical Monthly, 2022, 153:435–442; IF: 1.629
  3. G. D. Kalita,  P. P. Sarmah, G.Kalita, P. Das, Bimetallic Au–Pd nanoparticles supported on silica with a tunable [email protected] structure: enhancedcatalytic activity of Pd(core)–Au(shell) over Au(core)–Pd(shell), Nanoscale Advances2021, 3, 5399. IF: 4.55
  4. G. D. Kalita, M. R. Das, P. DasFabrication of magnetically separable ruthenium nanoparticles decorated on channelled silica microspheres: Efficient catalysts for chemoselective hydrogenation of nitroarenesDalton Transaction202150, 13483-13496. IF: 4.39
  5.   D Borah, A. Puzari, P. DasHighly efficient aqueous-phase Sonogashira coupling catalyzedby Pd-PEEPSI/PPh3 under aerobic conditionJ. Chem. Sci.2021, 133:103, IF: 1.573
  6.   A. Puzari, A. Gogoi, P. Das, An unsymmetrical Schiff-base derived recyclable Pd-catalyst for Suzuki–Miyaura and Sonogashira reactions in aqueous mediaJ. Chem. Sci. 2021,  133, 56; IF: 1.573
  7. M. Borah, N. Saikia, P. Das,  A combined computational and experimental study of Fe(II) complexes with hemilabile phosphine-based P,O donor ligandsJ. Molecular Structure2021, 1230, 129661; IF: 3.196
  8. D. Borah, B. Saha, B. Sarma, P. Das, A cyclometalated Ir(III)–NHC complex as a recyclable catalyst for acceptorless dehydrogenation of alcohols to carboxylic acidsDalton Transactions2020, 49, 16866-16876; IF: 4.39
  9. M. Hazarika, G. D. Kalita, S. Pramanik, D. Borah, P. Das, Bio-functionalized anisotropic gold nanoparticles as efficient catalyst for nitrile hydration and hydrogenation of nitrophenol, Current Res. Green Sustain. Chem., 2020, 3, 100018.
  10. M. Suri,  F. Liaquat Hussain,  C. Gogoi,   P. Das,  P. Pahari, Magnetically recoverable silica catalysed solvent-free domino Knoevenagel-hetero-Diels–Alder reaction to access divergent chromenones,  Org. Biomol. Chem., 2020,18, 2058-2062; IF: 3.876
  11. D. Borah, B. Saha, B. Sarma, P. Das. A new PEPPSI type N-heterocyclic carbene palladium(II) complex and its efficiency as a catalyst for Mizoroki-Heck cross-coupling reactions in waterJ. Chem. Sc., 2020, 132, 51; IF: 1.573
  12. G. D. Kalita, P. P. Sarmah, P. K. Saikia, L. Saikia, P. Das, Selective hydrogenation of nitroarenes to amines by ligand assisted Pd nanoparticles: Influence of donor ligands on catalytic activity, New J. Chem. 2019 43, 4253 – 4260; IF: 3.591
  13. B. Banik, P. P. Sarmah, A. Dutta, P. Mondal, P. Das, A new water-soluble Rh(III)-salophen complex as efficient catalyst for alcohol oxidation in aqueous mediumInd. J. Chem. Sec.A, 2019, 58A, 29-35. IF: 0.491
  14. S. Pramanik, P. Das, Metal-Based Nanomaterials and their polymer nanocomposites (Chapter 3), in Nanomaterials and Polymer nanocomposite, Elsevier, 2018, 91-121.
  15. A. Puzari, N. Shahnaz, P. Das,Palladium complexes with two unsymmetrical Schiff base ligands: Highly active catalyst for activation of chloroarenes in Suzuki-Miyaura reaction, J. Indian Chem. Soc. 2018, 95,837-842. IF: 0.284
  16. D. Borah, M. Hazarika, P. Tailor, A. R. Silva, B. Chetia, G. Singaravelu, P. Das, Starch-templated bio-synthesis of gold nanoflowers for in vitro antimicrobial and anticancer activitiesApplied Nanoscience, 2018, 8(3), 241-253. IF: 3.674
  17. M. Hazarika, D. Borah, P. Bora, A. R. Silva, P. Das, Biogenic synthesis of palladium nanoparticles and their applications as catalyst and antimicrobial agentPLOS ONE 2017, 12(9): e0184936.; IF: 3.24
  18. S. Kolita, L. Dutta, P. Das, P. J. Bhuyan, One-Pot Synthesis of Unsymmetrical Bis(4-Hydroxycoumarin-3-yl)methanes, Synlett, 2017, 28(17), 2291-2294; IF: 2.369
  19. S. Pramanik, M. Das, D. Das, P. Das, Sustainable Redox Chemistry Route to Multifaceted Fe-Pd Heteronanostructure: Delving into the Synergistic Influence in CatalysisChemistry Select , 2017, 2(16) 4577-4585. IF: 2.109
  20. P. Das,   B. Chetia, R. Prasanth, J. Madhavan, G. Singaravelu,G. Benelli, K. Murugan, Green nanosynthesis and functionalization of gold nanoparticles as PTP 1B inhibitorsJ. Cluster Science, 2017, 28, 2269-2277; IF: 3.061
  21. D. Sahu, A. R. Silva, P. Das, Facile synthesis of palladium nanoparticles supported on silica: An efficient phosphine-freeheterogeneous catalyst for Suzuki coupling in aqueous mediaCatalysis Communications, 2016, 86, 32-35.IF: 4.146
  22.  N. Shahnaz, A. Puzari, B. Paul, P. Das, Activation of aryl chlorides in water for Suzuki coupling with a hydrophilic salen-Pd(II) catalystCatalysis Communications, 2016, 86, 55-58; IF: 4.146
  23. P. Das, W. Linert, Schiff base-derived homogeneous and heterogeneous palladium catalysts for the Suzuki-Miyaura reactionCoord. Chem. Rev. 2016, 1-23; IF: 22.06.
  24. B. Banik, A. Tairai,  P. K. Bhattacharyya, P. Das,  Excellent Suzuki–Miyauracatalytic activity of a new Pd(II) complex with sulfonamide–Schiff base ligand, Appl. Organomet. Chem. 2016, 30, 519-52;  IF: 4.105
  25. P. Sharma, D. J. Borah, P. Das, M. R. Das, Cationic and anionic dye removal from aqueous solution using montmorillonite clay: evaluation of adsorption parameters and mechanismDesalination and water treatment, 2016, 57(18) 8372-838; IF: 1.254.
  26. D. Sahu, A. R. Silva, P. Das, A novel Fe(III)-based heterogeneous catalyst for aqueous oxidation of alcohols using molecular oxygen, RSC Advances, 2015, 78553-78560. IF: 3.36
  27. N. Shahzaz, P. Das, Palladium complex containing two sterically hindered ligands as highly efficient catalyst for Suzuki-Miyaura reactionAppl. Organomet. Chem. 2015, 829-833;  IF: 4.105
  28.    D. Sahu, P. Das, Phosphine-stabilized Pd nanoparticles supported on silica as highly active catalyst for Suzuki-Miyaura cross-coupling reactions of aryl chlorides, RSC Advances, 2015, 5, 3512-3520); IF: 3.36.
  29. D. Sahu, C. Sarmah, P. Das, A highly efficient and recyclable silica-supported palladium catalysts for alcohol oxidation reactionTetrehedron Letter, 2014, 55, 3422-3425; IF: 2.415.
  30. D. Sahu, B. Banik, M. Borah, P. Das, Efficient Alcohol Oxidation Reaction Catalyzed by a Cobalt(II) and an Iron(III) complexes containing DPEPhos LigandLetters in Org. Chem, 2014, 11, 671-676; IF: 0.867
  31. S. N. Orlyk, P. Das, L. M. Alekseenko, A, Y. Kapran, Activity of rhodium and palladium catalysts immobilized on functionalized silica in the decomposition and carbonylation of methanolTheoretical and Experimental Chemistry, 49, 2013, C 236-241.IF: 1.39
  32. C. Sarmah, D. Sahu, P. Das , An effective strategy for immobilizing a homogeneous palladium complex onto silica: Efficient and reusable catalyst for Suzuki-Miyaura reactionsCatal. Commun. 2013 ,41, 75-78; IF: 4.146
  33.  N. Shahnaz, B. Banik, P. Das, A highly efficient Schiff-base derived palladium catalyst for the Suzuki-Miyaura reactions of aryl chloridesTetrahedron Letter, 54, 2013,2886-2889; IF: 2.415
  34. B. Banik, A. Tairai, N. Shahnaz, P. Das, Palladium(II) complex with a potential N4-type Schiffbase ligand as highly efficient catalyst for Suzuki-Miyaura reactions in aqueous medi, Tetrahedron Letter, 2012, 53, 5627–5630; IF: 2.415
  35. C. Sarmah, D. Sahu, P. Das, Anchoring palladium acetate onto imine-functionalized silica gel through coordinative attachment: An effective recyclable catalyst for the Suzuki-Miyaura reaction in aqueous-isopropanol, Catal. Today, 198, 2012, 197; IF: 6.766
  36. M. Borah, P. K.. Bhattacharyya, P. Das, Iron carbonyl complex containing bis[2- (diphenylphosphino)phenyl]ether enhancing efficiency in the palladium-catalyzed Suzuki-Miyaura reaction, Appl. Organomet. Chem.2012, 26, 130-134; IF: 4.105
  37. A. Tairai, C. Sarmah, P. Das, A highly efficient catalytic system for microwave-assisted Suzuki– Miyaura reactions as well as room temperature homocoupling reactions of arylboronic acids in aqueous media, Ind. J. Chem. Sec. B, 2012, 51B, 843-848; IF: 0.44
  38. A. Tairai, C. Sarmah, P. K.. Bhattacharyya, P. Das, Primary amine-based palladium(II) complexes as catalysts for Suzuki-Miyaura reaction: Experimental and theoretical investigations on the effects of substituents on nitrogen atom, Indian J. Chem. Sec. A, 51A, 2012, 1545-1552; IF: 0.491
  39. A. Tairai, C. Sarmah, N. Shahnaz, P. Das, Diphenyl-2-pyridylphosphine based palladium catalysts for the Suzuki-Miyaura reactions in environment friendly solvents, Lett. Org. Chem.9, 2012, 509 -515; IF: 0.867
  40. P. Das, M. Borah, F. Michaud, F. Petillon, P. Schollhammer, Phosphorus-carbon (P-CPy) bond cleavage on reacting the diphenyl-2-pyridylphosphine with triiron- dodecacarbonyl, Inorg. Chim. Acta 2011, 376, 641; IF: 2.545
  41. C. Sarmah, M. Borah, P. Das, Iron(0), Rhodium(I) and Palladium(II) complexes with p-(N,Ndimethylaminophenyl) diphenylphosphine and the application of the palladium complex as catalyst for Suzuki-Miyaura cross-coupling reaction, Applied Organometallic Chemistry, 25, 2011, 552-558; IF: 4.105
  42. P. Das, C. Sarmah, A. Tairai, U. Bora, Highly efficient amine-based catalytic system for room temperature Suzuki-Miyaura reactions of aryl halides with arylboronic acids, Applied Organometallic Chemistry, 25, 2011, 283-288; IF: 4.105
  43. P. Das, M. Borah, C.Sarmah, P. K. Gogoi, L. M. Alekseenko and S. M. Orlyk, Synthesis of a rhodium(I) carbonyl complex with a chiral aminodiphosphine ligand and its immobilization onto amino-propylfunctionalized silica gel, J. Coord. Chem., 63,7, 2010, 1107-1117; IF: 1.751
  44. P. Das, U. Bora, A. Tairai, C. Sharma , Triphenylphosphine chalcogen-ides as efficient ligands for room temperature palladium(II) cataly-zed Suzuki-Miyaura reaction, Tetrahedron. Letter 51, 2010, 1479-1482; IF: 2.415
  45. P. Das, P. P. Sarmah, M. Borah and A. K. Phukan, Low-spin, mononuclear, Fe(III) complexes with P,N donor hemilabile ligands: A combined experimental and theoretical study, Inorganica Chimica Acta, 362, 2009, 5001-5011; IF: 2.545
  46. P. Das, A. R. Silva, A. Carvalho, J. Pires, C. Freire, Organo-functionalized mesoporous supports for Jacobsen-type catalyst: Laponite versus MCM-4, J. Material Science, 44, 11, 2009, 2865- 2875; IF: 4.22
  47. P. Das, A. R. Silva, A. Carvalho, J. Pires, C. Freire, Chiral Mn(III) salen complex, Enantioselective epoxidation, covalent anchoring, Laponite, MCM-41, FSM-16, Catalysis Letter 129, 2009, 367-375; IF: 3.186
  48. P.Das, A. R. Silva, A. P. Carvalho, J. Pires, and C. Freire,Post-Synthesis organo-sylanation of mesostructured FSM-16 for chiral Mn(III) salen catalyst anchoring, Colloids and Surfaces A: A Physicochem. Eng. Aspects, 329, 3, 2008, 190-197; IF: 4.539
  49. P. Das, J. Baruah and P. Tamuli, Synthesis, spectroscopic, thermogravi-metric and electrochemical characteri-sation of triphenylphosphine-oxide complexes of the type [MClx(Ph3PO)6-x] [M = Cu(II), Co(II), x = 2; M = Fe(III), x = 3], Asian J Chemistry 20, 8, 2008, 5958-5966; IF: 0.535
  50. P. Das, I. K.Biernacka, A. R. Silva, A. P. Carvalho, J. Pires, and C. Freire, Chiral Mn(III) Salen Complexes Encapsulated into Aluminium Pillared Clay and their Activity as Catalyst for Epoxidation of Styrene, J. Mol Catal: Chemical ,248, 2006, 135-143; IF: 5.062
  51. P. Das, J.F. Capon, F. Gloaguen, F. Y. Pétillon, P. Schollhammer, J. Talarmin and K. W. Muir,Diiron aza diphosphido complexes: mimics for the active site of Fe-only hydrogenase, and effects of changing the coordinating atoms of the bridging ligand in [Fe2{μ-(ECH2)2NR}(CO)6], Inorganic Chemistry 43 (26), 2004, 8203-8205; IF: 5.165
  52. D. K. Dutta, J. D. Woollins, A. M. Z. Slawin, D. Konwar, P. Das, M. Sharma, P. Bhattacharyya and S. M. Aucott, An alternative strategy to an electron rich phosphine based carbonylation catalyst, Dalton Transaction, 13, 2003, 2674 – 2679; IF: 4.39
  53. P. Chutia, M. Sharma, P. Das, N. Kumari,J. D. Woollins, A. M. Z. Slawin, and D. K. Dutta, Carbonyl complexes of ruthenium(II) with unsymmetrical phosphine-phosphine-sulfide ligands of the type Ph2P(CH2)nP(S)Ph2, n = 1 - 4. Polyhedron, 2003, 22 (19) 2725-2730; IF: 3.052
  54. P. Das, M. Borauh, N. Kumari, M. Sharma, D. Konwar and D. K. Dutta, Rhodium Nitrone Complexes: Efficient Catalysts for Carbonylation of Methanol, J. Molecular Catalysis A: Chemical, 2002, 178, 283-287; IF: 5.062
  55. P. Das, M. Sharma, N. Kumari, D. Konwar and D. K. Dutta, Synthesis and Characterization of Ruthenium(II) Complexes of different types of Potential Hemilabile P-O and P-S Donors Ligands, Ind. J.  Chem. Sec A: 2002,  41A, 560-562; IF: 0.491
  56. N. Kumari, M. Sharma, P. Das and D. K. Dutta, Carbonylrhodium Complexes of Pyridine Ligands and their Catalytic Activity towards Carbonylation of Methanol. Applied Organometallic Chemistry 2002, 16 (5), 258 -264; IF: 4.105
  57. P. Das, P. Chutia, D. K. Dutta, Efficient Carbonylation of Methanol Catalyzed by Rhodium(I) Complexes containing Cyclooctadiene and Triphenylphosphinechalcogenide, Chemistry Letter 7, 766-767, 2002. IF: 1.389
  58. M. Sharma, N. Kumari, P. Das, P. Chutia and D. K. Dutta, Catalytic activity of dicarbonyl-rhodium complexes of amino benzoic acid ligands for carbonylation of methanol., J. Molecular Catalysis A: Chemical 2002, 188, 25-35; IF: 5.062
  59. P. Das, D. Konwar, M. Sharma, N. Kumari and D. K. Dutta, Synthesis and Reactivity of Rhodium(I) Carbonyl Complexes of Ether-phosphine Ligands and their Catalytic Activity, Applied Organometallic Chemistry 16, 302-306,2002. IF: 4.105
  60. P. Das, D. Konwar and D. K. Dutta, Rhodium Complexes of Diphenylphosphine(ethylthio) ethane, Indian Journal of Chemistry, Sec A: 2001, 40A, 626-629. IF: 0.491
  61. P. Das, D. Konwar, P. Sengupta and D.K. Dutta, Rhodium (I) Carbonyl Complexes of Triphenylphosphine chalcogenides and their Catalytic Activity. Transition Metal Chemistry: 2000, 25:426-429; IF: 1.588.

 INDIAN PATENTS:

  1. A Process for Selective Hydrogenation of p-chloronitrobenzene to p-chloroaniline by silica-supported recyclable palladium catalysts, Appl. No. 201731044583, published on 14-06-2019, filled 12-12-2017; Inventor: P. Das, P. P. Sarmah, G. D. Kalita.
  2. An Improved Process for Carbonylation of Methanol using Novel Rhodium Metal Complexes as Catalyst, Application 474/DEL/2002 published 2007-04-27, filed 2002-04-22, Inventor: D. K. Dutta, M. Sharma, P. Das, N. Kumari, M. Baruah, D. Konwar, No of Pages : 20, No of Claims : 6; Classification: C07C 51/0
  3. An Improved Process for Producing Carboxylic Acid and its Ester using Electron rich Rhodium Phosphine Based Carbonyl Complexes as Catalysts, Application 219/DEL/2003 published 2007-05-04, filed 2003-03-05, Inventor:D. K. Dutta, J. D. Woollins, A. M. Z. Slawin, D. Konwar, P. Das, M. Sharma, P. Bhattacharyya, S. M. Aucott, No of Pages : 16 No of Claims : 6 , International Info Classification: C07C 051/235
  4. A Process for the Preparation of Electron Rich Rhodium Carbonyl Complexes Containing Phosphine Based Chelating Ligand, Application 211/DEL/2003 published 2007-08-17, filed 2003-03-05,Inventor: D. K. Dutta, J. D. Woollins, A.M.Z. Slawin, D. Konwar, P. Das, M. Sharma, P. Bhattacharyya, S. M. Aucott. International Info Classification: C01G 55/00.
  5. A Process for the Preparation of Novel Rhodium Carbonyl Complexes, Application 475/DEL/2002 published 2007-04-27, filed 2002-04-22 , Inventor: D. K. Dutta, M. Sharma, P. Das, N. Kumari, M. Baruah, D. Konwar, No of Pages : 14 No of Claims : 10, International Info Classification: C07F 15/00.
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